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Impurity toroidal rotation profile measurement using upgraded high-resolution visible spectroscopic diagnostic on ADITYA-U tokamak.
Shukla, G; Chowdhuri, M B; Shah, K; Manchanda, R; Ramaiya, N; Tanna, R L; Mayya, K B K; Ghosh, J.
Afiliación
  • Shukla G; Department of Science, Pandit Deendayal Petroleum University, Gandhinagar 382 007, India.
  • Chowdhuri MB; Institute for Plasma Research, Bhat, Gandhinagar 382 428, India.
  • Shah K; Department of Science, Pandit Deendayal Petroleum University, Gandhinagar 382 007, India.
  • Manchanda R; Institute for Plasma Research, Bhat, Gandhinagar 382 428, India.
  • Ramaiya N; Institute for Plasma Research, Bhat, Gandhinagar 382 428, India.
  • Tanna RL; Institute for Plasma Research, Bhat, Gandhinagar 382 428, India.
  • Mayya KBK; Department of Science, Pandit Deendayal Petroleum University, Gandhinagar 382 007, India.
  • Ghosh J; Institute for Plasma Research, Bhat, Gandhinagar 382 428, India.
Rev Sci Instrum ; 92(6): 063517, 2021 Jun 01.
Article en En | MEDLINE | ID: mdl-34243548
A high-resolution spectroscopic diagnostic for the measurement of spatial profiles of impurity ion toroidal rotation velocities on the ADITYA-U tokamak has been upgraded to cover the complete plasma minor radius. Earlier, the coverage of diagnostics toward the plasma edge was restricted due to the placement of collection optics on the tangential port outside the vacuum vessel. The coverage of the full plasma minor radius, from 0 to 24 cm, has been achieved using the newly designed and developed collection optics that have seven lines of sight to view the tokamak plasma mounted inside a customized re-entrant view port which is installed in the shadow of the limiter inside the vacuum vessel. The upgraded diagnostic also includes a faster charged coupled device detector with a smaller pixel size for the detection of a small wavelength shift. The complete spatial profile has been measured using the Doppler shifted passive change exchange spectral line at 529.0 nm from the C5+ ion. In this article, we present the collection optics' design, installation, calibration, and results obtained using the upgraded diagnostic.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Rev Sci Instrum Año: 2021 Tipo del documento: Article País de afiliación: India Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Rev Sci Instrum Año: 2021 Tipo del documento: Article País de afiliación: India Pais de publicación: Estados Unidos